thatch

thatch · noun¹

1. Proto-Indo-European · derived from*(s)teg-“cover”
2. Proto-Germanic · inherited from*þaką“covering”
3. Proto-West Germanic · inherited from*þak
4. Old English · inherited fromþæc“roof-covering”
5. Middle English · inherited fromthache, thach
6. English todaythatch

Variant of thack, from Middle English thache, thach, from Old English þæc (“roof-covering”), from Proto-West Germanic *þak, from Proto-Germanic *þaką (“covering”), from (o-grade of) Proto-Indo-European *(s)teg- (“cover”). Cognate with Icelandic þak, Dutch dak, German Dach, Norwegian tak, Swedish tak, Danish tag; and with Latin toga, Albanian thak (“awn, beard, pin, peg, tassel, fringe”), Lithuanian stogas (“roof”), Welsh to (“roof”). Related to Ancient Greek τέγος (tégos, “roof”) and στέγη (stégē, “roof”). See also English deech, deck.

thatch · verb²

1. Proto-Germanic · derived from*þaką“cover, covering”
2. Proto-Germanic · inherited from*þakjaną“to cover”
3. Proto-West Germanic · inherited from*þakkjan
4. Old English · inherited fromþeċċan
5. Middle English · inherited fromthacchen
6. English todaythatch

From Middle English thacchen, from Old English þeċċan, þeċċean (“to cover”), from Proto-West Germanic *þakkjan, from Proto-Germanic *þakjaną (“to cover”), from Proto-Germanic *þaką (“cover, covering”, noun) (see above). Cognate with West Frisian dekke, Dutch dekken, German decken, Danish tække, Swedish täcka. Alteration of vowel after Middle English perhaps due to the above noun.

Thatch · proper noun³

From thatch.

Words from the same roots