-tide · suffix1
- Old English · inherited from-tīd
- Middle English · inherited from-tide
- English today-tide
From Middle English -tide, -tyde, from Old English -tīd (in compounds), from tīd (“point or portion of time, due time, period, season; feast-day, canonical hour”); see tide.
-tide · suffix2
From peptide, glycopeptide.
Etymology from Wiktionary, CC BY-SA 4.0.